add mutex to get_randomx_code

2019-05-28 07:57:48 +08:00 · 2019-05-28 07:57:48 +08:00 · 636179ac53
parent a8c3f4072a
commit 636179ac53
1 changed files with 4 additions and 0 deletions
--- a/src/page.h
+++ b/src/page.h
@ -7134,10 +7134,14 @@ get_randomx_code(uint64_t blk_height,
                 block const& blk,
                 crypto::hash const& blk_hash)
 {
+    static std::mutex mtx;
+
    vector<std::pair<string, string>> rx_code;

    blobdata bd = get_block_hashing_blob(blk);

+    std::lock_guard<std::mutex> lk {mtx};
+
    if (!rx_vm)
    {
        // this will create rx_vm instance if one